Tamao Shiwaku (塩飽 玉男, May 12, 1906 – December 15, 1990) was a Japanese runner. He competed at the 1936 Olympics in the marathon but did not finish the race.

He died in Sakaide, Kagawa on December 15, 1990.Shikokoku Shimbun(:ja:四国新聞),December 18, 1990, p.23

References

Tamao Shiwaku. sports-reference.com